Environmental change over time refers to changes in Earth’s natural systems and environments. These changes can affect land, water, air, plants, and animals. They include shifts in climate, landscapes, and ecosystems. Changes may happen slowly or more quickly in different regions.

Environmental change occurs across land, oceans, and the atmosphere worldwide. It affects ecosystems and living things in many environments. Different regions experience different types of change.

Environmental change has happened throughout Earth’s history and continues today. It is part of natural processes and long-term patterns. These changes are part of how Earth’s systems develop over time.